Add missing scriptErrLogFile init

Closes cmangos/issues#1561

src/shared/Log.cpp

@@ -267,6 +267,7 @@ void Log::Initialize()
     charLogfile = openLogFile("CharLogFile", "CharLogTimestamp", "a");
     dberLogfile = openLogFile("DBErrorLogFile", nullptr, "a");
     eventAiErLogfile = openLogFile("EventAIErrorLogFile", nullptr, "a");
+    scriptErrLogFile = openLogFile("SD2ErrorLogFile", nullptr, "a");
     raLogfile = openLogFile("RaLogFile", nullptr, "a");
     worldLogfile = openLogFile("WorldLogFile", "WorldLogTimestamp", "a");
     customLogFile = openLogFile("CustomLogFile", nullptr, "a");